From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Sasha Levin <sashal@kernel.org>, Sung Lee <sung.lee@amd.com>,
Eryk Brol <eryk.brol@amd.com>,
amd-gfx@lists.freedesktop.org,
Yongqiang Sun <yongqiang.sun@amd.com>,
Michael Strauss <michael.strauss@amd.com>,
dri-devel@lists.freedesktop.org,
Alex Deucher <alexander.deucher@amd.com>
Subject: [PATCH AUTOSEL 5.4 096/130] drm/amd/display: Revert DCN2.1 dram_clock_change_latency update
Date: Tue, 22 Dec 2020 21:17:39 -0500 [thread overview]
Message-ID: <20201223021813.2791612-96-sashal@kernel.org> (raw)
In-Reply-To: <20201223021813.2791612-1-sashal@kernel.org>
From: Michael Strauss <michael.strauss@amd.com>
[ Upstream commit 3abad347c432b9f5904cfad40f417d5cff90300c ]
[Why]
New value breaks VSR on high refresh panels, reverting until a fix is developed
Signed-off-by: Michael Strauss <michael.strauss@amd.com>
Signed-off-by: Sung Lee <sung.lee@amd.com>
Reviewed-by: Yongqiang Sun <yongqiang.sun@amd.com>
Acked-by: Eryk Brol <eryk.brol@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
index a6d5beada6634..bb7add5ea2273 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
@@ -257,7 +257,7 @@ struct _vcs_dpi_soc_bounding_box_st dcn2_1_soc = {
.num_banks = 8,
.num_chans = 4,
.vmm_page_size_bytes = 4096,
- .dram_clock_change_latency_us = 11.72,
+ .dram_clock_change_latency_us = 23.84,
.return_bus_width_bytes = 64,
.dispclk_dppclk_vco_speed_mhz = 3600,
.xfc_bus_transport_time_us = 4,
--
2.27.0
_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
prev parent reply other threads:[~2020-12-23 2:20 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20201223021813.2791612-1-sashal@kernel.org>
2020-12-23 2:16 ` [PATCH AUTOSEL 5.4 006/130] drm/amd/display: Do not silently accept DCC for multiplane formats Sasha Levin
2020-12-29 14:54 ` Deucher, Alexander
2021-01-04 21:20 ` Kazlauskas, Nicholas
2020-12-23 2:16 ` [PATCH AUTOSEL 5.4 032/130] drm/amd/amdgpu: Add rev_id workaround logic for SRIOV setup Sasha Levin
2020-12-23 2:17 ` [PATCH AUTOSEL 5.4 080/130] drm/amd/display: Update dram_clock_change_latency for DCN2.1 Sasha Levin
2020-12-23 2:17 ` Sasha Levin [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20201223021813.2791612-96-sashal@kernel.org \
--to=sashal@kernel.org \
--cc=alexander.deucher@amd.com \
--cc=amd-gfx@lists.freedesktop.org \
--cc=dri-devel@lists.freedesktop.org \
--cc=eryk.brol@amd.com \
--cc=linux-kernel@vger.kernel.org \
--cc=michael.strauss@amd.com \
--cc=stable@vger.kernel.org \
--cc=sung.lee@amd.com \
--cc=yongqiang.sun@amd.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox